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Fortinet PSIRT AdvisoriesFG-IR-26-203

Incorrect implementation of authentication algorithm in fortiweb2

HighVendor CVSS 7.5 / 10 1 CVE Published Nov 10, 2026 at 8:00 AM UTC

Summary

CVSSv3 Score:

7.5

An Incorrect Implementation of Authentication Algorithm vulnerability (CWE-303) in FortiWeb may allow an unauthenticated remote attacker to gain elevation of privilege (account takeover) via a crafted request.

Revised on 2026-11-10 00:00:00

Products covered

  • FortiWeb

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 1

Updates

  1. Published by Fortinet

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.